Nighttime construction activities will take place on Tuesday, November 17, causing lane closures on the Dulles International Airport Access Highway, Saarinen Circle, Autopilot Drive and Centreville Road.

Crews will continue the bridge work at night over Centreville Road at the intersection of the entrance and exit ramps for the eastbound and westbound Dulles Toll Road. Drivers may experience minor delays due to lane closures in the northbound and southbound lanes between 10 p.m. and 5 a.m.

Where: As the westbound DIAAH transitions to Saarinen Circle and continuing in front of Daily Garage 1, traffic will be reduced to a single left lane. Note: Stoppages of up to 20 minutes will occur after 1 a.m.

Why: Overhead sign installation

Note: Police will be onsite for motorist safety.

Autopilot Drive

When: Tuesday, November 17 – Wednesday, November 18, 9 p.m. to 5 a.m.

What: Full closure of northbound lanes

Where: Northbound lanes of Autopilot Drive from Rudder Road to Materials Road closed; northbound traffic will be shifted to the southbound lanes